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Finding the Fourth Proportional to 611,968.69, 917,296.75 and 295,990.93

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Solution

The fourth proportional to 611,968.69, 917,296.75 and 295,990.93 is: 443,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,968.69 : 917,296.75 = 295,990.93 : x
  2. Step 2: Convert to fraction form
    611,968.69/917,296.75 = 295,990.93/x
  3. Step 3: Cross multiply
    611,968.69x = 917,296.75 × 295,990.93
  4. Step 4: Simplify right side
    611,968.69x = 271,511,518,118.48
  5. Step 5: Solve for x
    x = 271,511,518,118.48/611,968.69
  6. Step 6: Final answer
    x = 443,668.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.